Addition Within 20: Missing Number

Students can practice addition to 20 with this mental math game. There is 3 set of 12 math problems.

They have to find the missing number and write it down. The hidden picture motivates students to find the correct answer and try again if the answer is wrong.

The maths game includes 3 jigsaw puzzles, which makes learning fun and relaxing.

The immediate feedback also positive effect on learning.